Hello, I decided to build my computer a few weeks ago and bought parts as far as I checked the stats and on different websites all parts work together, here they are:
1.GA-990fxa-UD3 Motherboard.
2.Dual Channel 8 GB ram F3-12800CL9D-8GBXL.
3.AMD FX8350 CPU with the stock cooler.
4.Sapphire 7970 3GB graphic card.
5.Corsair TX 750W EU series.
6.Western Digital 2TB 5400RPM WD20EARX hard drive.

In my test drive I plugged in all main components which are the CPU and heatsink the RAM and graphic card, I connected the 24-pin, the 8-pin to the motherboard, I also connected one 6-pin and another 6+2 pin to the graphic card, I connected the screen through an adapter and low behold:
The fan of the CPU and graphic card spin, but the power supplies' doesn't, and there is no beep and nothing on the screen.

NOTE:I tried my current supply which didn't change anything and the adapter is working for my 9600gt.

What is the problem?

-Dan.

Is the power switch from the case correctly plugged into the mother board? Are there any blinking lights on the motherboard? Is it going into POST at all ?

Quote:

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Originally Posted by cdad

Is the power switch from the case correctly plugged into the mother board? Are there any blinking lights on the motherboard? Is it going into POST at all ?

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The motherboard isn't in the case, it's all just connected together on the motherboard but it's not in the case, also I jump start it with a screw driver.